code: def test_translation(self):
      model = export_and_get_onnx_model(self.model_name_or_path)
  
      tokens = model.generate(
          input_ids=self.tokenized_input["input_ids"],
          attention_mask=self.tokenized_input["attention_mask"],
          num_beams=2,
      )
  
      output = self.tokenizer.decode(
          tokens.squeeze(), skip_special_tokens=True
      )
  
      self.assertEqual(output, self.expected_output)
  
file_path: fastT5/tests/models_test.py
imports: import os
  import tempfile
  import unittest
  from transformers import AutoTokenizer
  from fastT5 import export_and_get_onnx_model, generate_onnx_representation
label_desc: Use image node_id 1 for calling the TestFastT5 obj's underlying member method code with example usage: obj.test_translation() without return types